The effect of the reconstruction algorithm for the pulmonary nodule detection under the metal artifact caused by a pacemaker
Medicine (United States), ISSN: 1536-5964, Vol: 99, Issue: 24, Page: E20579-null
2020
- 3Citations
- 9Captures
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Article Description
AbstractThe aim was to compare the effects of metal artifacts from a pacemaker on pulmonary nodule detection among computed tomography (CT) images reconstructed using filtered back projection (FBP), single-energy metal artifact reduction (SEMAR), and forward-projected model-based iterative reconstruction solution (FIRST).Nine simulated nodules were placed inside a chest phantom with a pacemaker. CT images reconstructed using FBP, SEMAR, and FIRST were acquired at low and standard dose, and were evaluated by 2 independent radiologists.FIRST demonstrated the most significantly improved metal artifact and nodule detection on low dose CT (P < .0032), except at 10 mA and 5-mm thickness. At standard-dose CT, SEMAR showed the most significant metal artifact reduction (P < .00001). In terms of nodule detection, no significant differences were observed between FIRST and SEMAR (P = .161).With a pacemaker present, FIRST showed the best nodule detection ability at low-dose CT and SEMAR is comparable to FIRST at standard dose CT.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85086623756&origin=inward; http://dx.doi.org/10.1097/md.0000000000020579; http://www.ncbi.nlm.nih.gov/pubmed/32541487; https://journals.lww.com/10.1097/MD.0000000000020579; https://dx.doi.org/10.1097/md.0000000000020579; https://journals.lww.com/md-journal/FullText/2020/06120/The_effect_of_the_reconstruction_algorithm_for_the.43.aspx
Ovid Technologies (Wolters Kluwer Health)
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